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Ontario Shipyards

Welder

St. Catharines, ON, Canada

Pay: Compensation: $25 – $35 per hour, based on experience
Job type: Full-time
Apply by: Mar 21, 2027
Experience: 4–5 years of hands-on welding experience in construction or maintenance settings; marine experience is considered an asset.
Posting language: English
Posted: Sep 22, 2026

Apply About employer

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Original job description

Position Title: Welder

Location: St. Catharines, ON - Port Weller

Job Type: Full-time, Permanent

Compensation: $25 – $35 per hour, based on experience

About Ontario Shipyards

Ontario Shipyards operates two premier marine facilities on Lake Ontario: our main fabrication hub in Hamilton and the historic Port Weller Dry Docks on the Welland Canal in St. Catharines. Together, we form the largest Canadian-owned ship repair and refit operation on the Great Lakes. As a trusted partner to the Canadian Coast Guard and major commercial fleets, our combined yards deliver everything from advanced manufacturing to massive vessel life extensions.

The company is embarking on an unprecedented period of growth driven by the opportunities created by Canada’s National Shipbuilding Strategy. At the same time, the company is executing the Ontario Shipyard Modernization Project (OSMP) which is a multi-million-dollar initiative that is revolutionizing shipyard operations in Ontario and ultimately Canada. Our team takes immense pride in keeping the Great Lakes fleet moving, building and maintaining the giant vessels that drive Canada's economy – where water meets mettle.

Position Summary

Reporting to the Welding Supervisor, the Welder will be responsible for executing high-quality welds on metal components used in the construction, repair, and maintenance of marine vessels. Working directly inside shops, dry docks, and confined vessel compartments, this role applies designated welding procedures to ensure all structural work meets applicable CWB, marine classification, and company safety and quality standards.

The Welder works from provided technical instructions and welding specifications, maintaining high accuracy and consistency while collaborating closely with fitters and other skilled trades to support efficient and safe project execution. This is a hands-on production role that requires a strong commitment to workplace safety, physical stamina, attention to detail, and a daily presence on the active shipyard floor.

Key Responsibilities

Conduct pre-use inspections of tools, welding equipment, and materials to ensure they are in safe working condition.

Weld steel structures using specified welding processes and procedures to ensure all work meets required structural, quality, and safety standards.

Read and interpret blueprints, fabrication drawings, and welding symbols to accurately identify required weld sizes, types, and locations as per project specifications.

Maintain accurate records of work performed to support quality control, traceability, and project documentation.

Demonstrate flexibility to meet deadlines, proactively identifying and addressing potential delays while communicating concerns and proposing solutions to management.

Collaborate with and assist colleagues to support daily operational needs.

Maintain a clean, organized, and safe work area.

Perform other duties as assigned or required to support operations.

Qualifications & Experience

Safety-first mindset and commitment to following safe work practices.

4–5 years of hands-on welding experience in construction or maintenance settings; marine experience is considered an asset.

Previous or current CWB certification is an asset.

Experience in ship repair is a strong asset.

Understanding of crane signals and terminology, as well as experience in overhead crane operation, is an asset.

Valid Ontario 456A Certificate of Qualification and/or Red Seal endorsement is considered an asset.

Experience in FCAW and SMAW processes is preferred.

Demonstrate the ability to work independently, follow instructions and welding procedures precisely, and work collaboratively within a team environment with strong attention to detail.

Comfort and physical capability to work in a rugged shipyard environment, including climbing scaffolding, navigating dry docks, and entering tight or confined vessel spaces daily.

What We Offer

Competitive compensation based on skills and experience

Comprehensive health benefits including health, dental, vision, life and disability coverage for you and your dependents

RRSP matching program and Health Spending Account (HSA)

Paid vacation time and statutory holidays

Discounts on safety boots & safety glasses

Opportunities for professional development and specialized shipyard training

On-site parking

This job posting is for an active vacancy. Every application is reviewed individually by a member of our recruitment team. We do not use AI or automated computer systems to screen, assess, or select applicants for this position.

Ontario Shipyards is an equal opportunity employer and is committed to fostering an inclusive and accessible workplace. We prohibit discrimination and are committed to providing equal employment opportunities in accordance with the Ontario Human Rights Code. We will provide reasonable accommodation to applicants with disabilities throughout the recruitment and selection process, in accordance with the Accessibility for Ontarians with Disabilities Act (AODA). If you require accommodation during the recruitment process, please notify Human Resources, and we will work with you to meet your accessibility needs.

Apply About employer

More about this job

Responsibilities

The Welder is responsible for executing high-quality welds on metal components for marine vessel construction and maintenance. They must interpret blueprints and welding specifications while ensuring all work adheres to CWB and safety standards.

Requirements

Candidates should have 4-5 years of hands-on welding experience, preferably in a marine or construction setting. Possession of a valid Ontario 456A Certificate of Qualification or Red Seal endorsement is considered an asset.

Skills

Welding
FCAW
SMAW
Blueprint reading
Technical instruction interpretation
Welding symbols
Quality control
Safety compliance
Crane signals
Overhead crane operation
Metal fabrication
Marine vessel maintenance
Structural welding

Benefits

Health insurance
Dental insurance
Vision insurance
Life insurance
Disability coverage
RRSP matching program
Health spending account
Paid vacation
Statutory holidays
Safety boots discount
Safety glasses discount
Professional development
Specialized shipyard training
On-site parking

Visa sponsorship

Not detected in the job text

Keywords

Welder
Marine
Shipyard
Fabrication
CWB
FCAW
SMAW
Blueprints
Welding symbols
Steel structures
Dry docks
Confined spaces
Red Seal
456A Certificate
Quality control
Safety standards
Overhead crane
Vessel maintenance
National Shipbuilding Strategy
OSMP

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